Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 64 for “"Miniaturisation"”.
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Miniaturisation of pH Holographic Sensors for Nano-Bioreactors
Monitoring and controlling pH is of utmost importance in bioprocessing as it directly affects product yield and quality. Multiplexed experiments can be performed in nanobioreactors for optimisation of yield and cell heterogeneity in a relatively quick and inexpensive manner. In this thesis, a pH …
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The integration of fibre optics for atom chips
… in the direction of the electronics industry, miniaturisation has resulted in exquisite control of cold atoms above surfaces, allowing the vision of a matter wave toolbox to come closer to fruition. However, although the size of the components necessary for guiding atoms via magnetic or …
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Optimisation temporelle de circuits logiques par l'utilisation de tampons
Avec la miniaturisation actuelle, les circuits démontrent de plus en plus l'importance des délais d'interconnexion. Afin de réduire ce délai, l'insertion de tampons doit être effectuée durant la synthèse logique et la synthèse physique. Cette activité d'optimisation est souvent basée sur la …
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Development of Dielectric Spectroscopic Resonant Sensors for Biomedical and Industrial Applications
… number of detection and monitoring applications. Miniaturisation of microwave generation and analysis circuits will enable the sensors to be incorporated into feasible compact devices for in situ analysis of the analyte in question.
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Novel design for foot pressure measurement using opto-electronics in rehabilitation
… but nevertheless the concept is validated for miniaturisation and incorporated into applications.
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Auto-localisation de véhicules aériens autonomes avec caméras monoculaires en environnements hostiles
La miniaturisation des composantes et la diminution des coûts associés au développement des véhicules aériens autonomes ont fait en sorte qu'ils sont désormais omniprésents dans la société moderne. Ils sont utilisés pour des applications comme l'inspection de structures et l'agriculture de …
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Continuous dielectrophoretic separation of colloidal particles
… area and is still under research. <br/><br/>Miniaturisation of devices in general has been an ongoing trend to improve the performance of analytical tools. In particular, processes for micro-device fabrication using dry film resist have been studied in order to reduce size, cost, …
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Study of intermetallic compound layer formation, growth and evaluation of shear strength of lead-free solder joints
… demands for higher performance, lower cost, and miniaturisation in hand-held and consumer electronic products have led to the use of dense interconnections. This miniaturization trend means that solder joint reliability remains an important challenge with surface mount electronics assembly, …
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Molecular Optoelectronics in Plasmonic Nanocavities
… area, driven by the ever-increasing demand for miniaturisation of electronic devices and the exploration of light-matter interactions at the molecular level. This thesis investigates the integration of molecules with plasmonic nanostructures to develop novel optoelectronic devices and gain …
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Integrated broadband microphotonic beamformer for adaptive nulling in smart antennas
… antennas system, innovations and improvements in miniaturisation, power consumption, and cost are needed. These breakthroughs could be achieved by combining the microelectronic and photonic technologies, leading to an innovative software-driven broadband MicroPhotonic beamforming system. This …
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Characterisation of micromechanical materials and MEMS structures using optically generated ultrasound
Due to the increased commercial demand for miniaturisation, MEMS manufacturers have to characterise their components to improve quality control with ever-higher accuracy and resolution. One method of characterisation, using laser-generated and detected ultrasonic Lamb waves, is described in this …
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Micro-led based optoelectronic tweezers
… however, future systems must be geared towards miniaturisation to provide portable and convenient systems which are simple and cost effective for use in research. In this thesis, the use of micro-LEDs as a compact illumination source in optoelectronic tweezers systems is explored. The emerging …
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Applications of programmable MEMS micromirrors in laser systems
… shown widely over the last decades, creating miniaturisation possibilities and added functionality for photonic systems. In the work presented in this thesis angular vertical offset comb-drive (AVC) actuated scanning micromirrors, and their use as intracavity active Q-switch elements in …
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Integrated optical surface plasmon resonance for electrochemically addressed layers
… on a single chip that exhibits portability, miniaturisation capability and compatibility with optical fibre. The integrated optical chip allows the potential introduction of a large number of sensing pads on a single chip thus allowing the acquisition of precise information about a test …
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Investigating structure and chemistry in functional ferroelectric ceramics via transmission electron microscopy
… may provide a viable route to continue device miniaturisation in accordance with Moore’s law; a problem which has received much attention as current technology approaches fundamental limits, which may only be surpassed with a new paradigm of electronics design.
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A software development framework for context-aware systems
… of the new century has been characterised by the miniaturisation and accessibility of electronics, which has enabled its widespread usage around the world. This technological background is progressively materialising the future of the remainder of the century, where industry-based societies have …
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Statistical Methods for the Analysis of Contextual Gene Expression Data
… with ever increasing throughput. In addition, miniaturisation has enabled quantifying gene expression from small volumes of the input material and most recently at the level of single cells. Increasingly these technologies also preserve context information, such as assaying tissues with high …
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Critical evaluation and novel design of a non-invasive and wearable health monitoring system
… system. The project aims to achieve miniaturisation as much as possible, using nanotechnology. The achieved results of the project are nothing but conceptual images of a convertible watch. The system is a non-invasive health measurement system. An important part of the study is …
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The organisational effects of installing a distributed processing system
… techniques that are used. The introduction of miniaturisation, and the resultant lowering of the costs of circuitry, has led to the widespread use of mini- and micro-computers. There has also been a large increase in the use of communication facilities. Initially, almost all organisations …
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